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Finding the Fourth Proportional to 35,777.60, 53,674.35 and 11,762.99

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Solution

The fourth proportional to 35,777.60, 53,674.35 and 11,762.99 is: 17,647.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,777.60 : 53,674.35 = 11,762.99 : x
  2. Step 2: Convert to fraction form
    35,777.60/53,674.35 = 11,762.99/x
  3. Step 3: Cross multiply
    35,777.60x = 53,674.35 × 11,762.99
  4. Step 4: Simplify right side
    35,777.60x = 631,370,573.93
  5. Step 5: Solve for x
    x = 631,370,573.93/35,777.60
  6. Step 6: Final answer
    x = 17,647.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.